Named as one of the best chauffeur vehicles by Forbes magazine, the Lincoln stretch limousine is based on the award-winning Town Car platform, which is then lengthened to accommodate a total of six, eight, or 10 passengers. Usually though, you can get a deal with a company if you rent more than one limousine at a time.
While not all of his drivers have to have a commercial driver's license (since that's only required for driving 16 or more passengers), he has applicants go through a background check, drug test and even a test drive before they're hired. Have a look at the Federal Motor Carrier Safety Administration web site to see if the company is current with their insurance, companies are listed in alphabetical order.
As of January 1, 2001, the maximum legal capacity for stretch limousines, SUV's, and specialty vehicles is 9 passengers. Stretch limousines are longer than regular limousines, usually in order to accommodate more passengers. A large passenger service uses vehicles that are designed or adapted to carry more than 12 people (including the driver), whether or not they operate for hire or reward.
In the case of the very rare occurrence of vehicle break down, or the originally scheduled vehicle runs into overtime on previous trip, a vehicle that can accommodate the amount of passengers will be dispatched if possible to assure you get to your destination.